Angle Check Valves KS-4520 Angle Glove Valves KS-4520 Copper Angle Valves KS-4520 Angle Check Valves Soldering Angle Valves KS-4140 Angle Globe Valves KS-4140 Angle Glove Valves KS-4140 Soldering Angle Valves KS-4300 Angle Glove Valves KS-425C Angle Globe Valves KS-425C